88 lines
3.2 KiB
Java
88 lines
3.2 KiB
Java
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package eu.dnetlib.dhp.broker.oa;
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import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
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import java.util.Optional;
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import org.apache.commons.io.IOUtils;
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import org.apache.spark.SparkConf;
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import org.apache.spark.api.java.function.FilterFunction;
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import org.apache.spark.api.java.function.MapFunction;
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import org.apache.spark.sql.Dataset;
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import org.apache.spark.sql.Encoder;
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import org.apache.spark.sql.Encoders;
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import org.apache.spark.sql.SparkSession;
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import org.apache.spark.util.LongAccumulator;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import eu.dnetlib.broker.objects.OaBrokerMainEntity;
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import eu.dnetlib.dhp.application.ArgumentApplicationParser;
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import eu.dnetlib.dhp.broker.oa.util.ClusterUtils;
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import eu.dnetlib.dhp.broker.oa.util.ConversionUtils;
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import eu.dnetlib.dhp.schema.oaf.OtherResearchProduct;
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import eu.dnetlib.dhp.schema.oaf.Publication;
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import eu.dnetlib.dhp.schema.oaf.Result;
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import eu.dnetlib.dhp.schema.oaf.Software;
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public class PrepareSimpleEntititiesJob {
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private static final Logger log = LoggerFactory.getLogger(PrepareSimpleEntititiesJob.class);
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public static void main(final String[] args) throws Exception {
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final ArgumentApplicationParser parser = new ArgumentApplicationParser(
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IOUtils
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.toString(
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PrepareSimpleEntititiesJob.class
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.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/common_params.json")));
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parser.parseArgument(args);
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final Boolean isSparkSessionManaged = Optional
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.ofNullable(parser.get("isSparkSessionManaged"))
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.map(Boolean::valueOf)
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.orElse(Boolean.TRUE);
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log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
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final String graphPath = parser.get("graphPath");
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log.info("graphPath: {}", graphPath);
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final String workingDir = parser.get("workingDir");
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log.info("workingDir: {}", workingDir);
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final String simpleEntitiesPath = workingDir + "/simpleEntities";
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log.info("simpleEntitiesPath: {}", simpleEntitiesPath);
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final SparkConf conf = new SparkConf();
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runWithSparkSession(conf, isSparkSessionManaged, spark -> {
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ClusterUtils.removeDir(spark, simpleEntitiesPath);
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final LongAccumulator total = spark.sparkContext().longAccumulator("total_entities");
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final Dataset<OaBrokerMainEntity> dataset = prepareSimpleEntities(spark, graphPath, Publication.class)
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.union(prepareSimpleEntities(spark, graphPath, eu.dnetlib.dhp.schema.oaf.Dataset.class))
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.union(prepareSimpleEntities(spark, graphPath, Software.class))
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.union(prepareSimpleEntities(spark, graphPath, OtherResearchProduct.class));
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ClusterUtils.save(dataset, simpleEntitiesPath, OaBrokerMainEntity.class, total);
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});
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}
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private static <SRC extends Result> Dataset<OaBrokerMainEntity> prepareSimpleEntities(
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final SparkSession spark,
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final String graphPath,
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final Class<SRC> sourceClass) {
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final Encoder<OaBrokerMainEntity> encoder = Encoders.bean(OaBrokerMainEntity.class);
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return ClusterUtils
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.readPath(spark, graphPath + "/" + sourceClass.getSimpleName().toLowerCase(), sourceClass)
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.filter((FilterFunction<SRC>) r -> !ClusterUtils.isDedupRoot(r.getId()))
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.filter((FilterFunction<SRC>) r -> r.getDataInfo().getDeletedbyinference())
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.map((MapFunction<SRC, OaBrokerMainEntity>) ConversionUtils::oafResultToBrokerResult, encoder);
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}
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}
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